InterviewSolution
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InterviewSolution
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Assertion : If time of flight in a projectile motion is made two times, its maximum height will become four times. Reason : In projectile motion `H prop T^2` , where H is maximum height and T the time of flight.A. (a)If both Assertion and Reason are true and the Reason is correct explanation of the Assertion.B. (b)If both Assertion and Reason are true and the Reason is not the correct explanation of the Assertion.C. (c) If Assertion is true, but the Reason is false.D. (d) If Assertion is false, but the Reason is true. |
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Answer» Correct Answer - A `T = (2usintheta)/g rArr usintheta = (gT)/2` `H = (u^2sin^2theta)/(2g) = ((gT//2)^2/(2g))` or `H prop T^2`. |
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